Any way I could learn your key to success?
That does seem quite excessive for this lake given that the median size of the owners that reponded to the poll is around 25'. I'd venture a guess that 90% of people that oppose this idea, though, are doing so more out of jealousy than anything else. If it were me I'd pick the place with the nicest view and buy that, and have a full fleet of boats and call it good.